How severe is CVE-2025-33240?

CVE-2025-33240 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-33240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-33240?

CVE-2025-33240 affects Nvidia Nemo Megatron Bridge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-33240?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-33240 have an EU (EUVD) identifier?

Yes. CVE-2025-33240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207847.

When was CVE-2025-33240 published?

CVE-2025-33240 was published on 2026-02-18 and last updated on 2026-07-02.

CVE-2025-33240

CVE-2025-33240 is a high-severity vulnerability in Nvidia Nemo Megatron Bridge with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207847
Weakness: CWE-94
Affected product: Nvidia Nemo Megatron Bridge
Published: 2026-02-18
Last modified: 2026-07-02

Description

NVIDIA Megatron Bridge contains a vulnerability in a data shuffling tutorial, where malicious input could cause a code injection. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.

Frequently asked questions

What is CVE-2025-33240?: NVIDIA Megatron Bridge contains a vulnerability in a data shuffling tutorial, where malicious input could cause a code injection. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.
How severe is CVE-2025-33240?: CVE-2025-33240 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-33240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-33240?: CVE-2025-33240 affects Nvidia Nemo Megatron Bridge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-33240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-33240 have an EU (EUVD) identifier?: Yes. CVE-2025-33240 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207847.
When was CVE-2025-33240 published?: CVE-2025-33240 was published on 2026-02-18 and last updated on 2026-07-02.

References

Affected products (1)

cpe:2.3:a:nvidia:nemo_megatron_bridge:*:*:*:*:*:*:*:*

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